TW558695B - Circuit and method for controlling frame ratio of LCD and LCD system having the same - Google Patents
Circuit and method for controlling frame ratio of LCD and LCD system having the same Download PDFInfo
- Publication number
- TW558695B TW558695B TW091120125A TW91120125A TW558695B TW 558695 B TW558695 B TW 558695B TW 091120125 A TW091120125 A TW 091120125A TW 91120125 A TW91120125 A TW 91120125A TW 558695 B TW558695 B TW 558695B
- Authority
- TW
- Taiwan
- Prior art keywords
- frame
- signal
- ratio
- data
- liquid crystal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0435—Change or adaptation of the frame rate of the video stream
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0059335A KR100429880B1 (ko) | 2001-09-25 | 2001-09-25 | Lcd 프레임 비율 제어 회로 및 방법과 lcd 시스템 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW558695B true TW558695B (en) | 2003-10-21 |
Family
ID=19714654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW091120125A TW558695B (en) | 2001-09-25 | 2002-09-04 | Circuit and method for controlling frame ratio of LCD and LCD system having the same |
Country Status (4)
Country | Link |
---|---|
US (1) | US6870531B2 (ko) |
JP (1) | JP2003177729A (ko) |
KR (1) | KR100429880B1 (ko) |
TW (1) | TW558695B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100585105B1 (ko) * | 2003-11-05 | 2006-06-01 | 삼성전자주식회사 | 메모리 갱신 동작 전류를 감소시킬 수 있는 타이밍컨트롤러, 이를 구비하는 lcd 드라이버 및 디스플레이데이터 출력방법 |
US7315957B1 (en) | 2003-12-18 | 2008-01-01 | Nvidia Corporation | Method of providing a second clock while changing a first supplied clock frequency then supplying the changed first clock |
KR100555576B1 (ko) * | 2004-10-13 | 2006-03-03 | 삼성전자주식회사 | 디스플레이 시스템에서 외부 메모리 없이 프레임 레이트변환하는 장치 및 방법 |
CN100505796C (zh) * | 2004-11-24 | 2009-06-24 | 中兴通讯股份有限公司 | 一种手机显示时间的方法 |
US9262837B2 (en) | 2005-10-17 | 2016-02-16 | Nvidia Corporation | PCIE clock rate stepping for graphics and platform processors |
US20080055318A1 (en) * | 2006-08-31 | 2008-03-06 | Glen David I J | Dynamic frame rate adjustment |
KR101486254B1 (ko) * | 2008-10-10 | 2015-01-28 | 삼성전자주식회사 | 프레임 레이트 변환 설정방법 및 이를 적용한 디스플레이 장치 |
JP5428565B2 (ja) * | 2009-06-19 | 2014-02-26 | ソニー株式会社 | 情報再生装置、および情報再生方法、並びにプログラム |
Family Cites Families (30)
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US4317181A (en) * | 1979-12-26 | 1982-02-23 | Texas Instruments Incorporated | Four mode microcomputer power save operation |
US4670837A (en) * | 1984-06-25 | 1987-06-02 | American Telephone And Telegraph Company | Electrical system having variable-frequency clock |
US5070409A (en) * | 1989-06-13 | 1991-12-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Liquid crystal display device with display holding device |
JPH04323691A (ja) * | 1991-04-23 | 1992-11-12 | Ricoh Co Ltd | 表示制御装置 |
DE69224661T2 (de) * | 1991-12-17 | 1998-08-27 | Compaq Computer Corp | Vorrichtung zur verminderung des energieverbrauchs eines rechnersystems |
JPH0764665A (ja) * | 1993-08-30 | 1995-03-10 | Mitsubishi Electric Corp | 表示制御装置 |
JPH07152340A (ja) * | 1993-11-30 | 1995-06-16 | Rohm Co Ltd | ディスプレイ装置 |
JP2902290B2 (ja) * | 1994-01-11 | 1999-06-07 | キヤノン株式会社 | 表示制御システム |
JP3511409B2 (ja) * | 1994-10-27 | 2004-03-29 | 株式会社半導体エネルギー研究所 | アクティブマトリクス型液晶表示装置およびその駆動方法 |
JP3630489B2 (ja) * | 1995-02-16 | 2005-03-16 | 株式会社東芝 | 液晶表示装置 |
JP3234131B2 (ja) * | 1995-06-23 | 2001-12-04 | 株式会社東芝 | 液晶表示装置 |
US6329973B1 (en) * | 1995-09-20 | 2001-12-11 | Hitachi, Ltd. | Image display device |
JP3547864B2 (ja) * | 1995-10-20 | 2004-07-28 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 節電装置及び方法 |
JPH09244595A (ja) * | 1996-03-08 | 1997-09-19 | Canon Inc | 表示制御方法および装置ならびに表示システム |
JPH09243996A (ja) * | 1996-03-11 | 1997-09-19 | Matsushita Electric Ind Co Ltd | 液晶表示装置、液晶表示システム及びコンピュータシステム |
US6691236B1 (en) * | 1996-06-03 | 2004-02-10 | Hewlett-Packard Development Company, L.P. | System for altering operation of a graphics subsystem during run-time to conserve power upon detecting a low power condition or lower battery charge exists |
KR19980060007A (ko) * | 1996-12-31 | 1998-10-07 | 김광호 | 액정 표시 장치의 소비 전력 감소 회로 |
JP3617896B2 (ja) * | 1997-02-12 | 2005-02-09 | 株式会社東芝 | 液晶表示装置及び駆動方法 |
JPH113063A (ja) * | 1997-06-10 | 1999-01-06 | Toshiba Corp | 情報処理装置及び表示制御方法 |
JP3233895B2 (ja) * | 1998-02-10 | 2001-12-04 | アルプス電気株式会社 | 表示装置およびその駆動方法 |
JP3586369B2 (ja) * | 1998-03-20 | 2004-11-10 | インターナショナル・ビジネス・マシーンズ・コーポレーション | ビデオ・クロックの周波数を下げる方法及びコンピュータ |
JP3903090B2 (ja) * | 1998-05-22 | 2007-04-11 | 富士フイルム株式会社 | 電子カメラ |
JP2001015247A (ja) | 1999-07-01 | 2001-01-19 | Matsushita Electric Ind Co Ltd | ヒータ断線検出方法およびその装置 |
JP3644672B2 (ja) * | 1999-07-09 | 2005-05-11 | シャープ株式会社 | 表示装置およびその駆動方法 |
JP2001202053A (ja) * | 1999-11-09 | 2001-07-27 | Matsushita Electric Ind Co Ltd | 表示装置及び情報携帯端末 |
JP3498033B2 (ja) * | 2000-02-28 | 2004-02-16 | Nec液晶テクノロジー株式会社 | 表示装置、携帯用電子機器および表示装置の駆動方法 |
JP2001306038A (ja) * | 2000-04-26 | 2001-11-02 | Mitsubishi Electric Corp | 液晶表示装置およびそれを用いた携帯機器 |
JP3766926B2 (ja) * | 2000-04-28 | 2006-04-19 | シャープ株式会社 | 表示装置の駆動方法およびそれを用いた表示装置ならびに携帯機器 |
GB2373121A (en) * | 2001-03-10 | 2002-09-11 | Sharp Kk | Frame rate controller |
JP3749147B2 (ja) * | 2001-07-27 | 2006-02-22 | シャープ株式会社 | 表示装置 |
-
2001
- 2001-09-25 KR KR10-2001-0059335A patent/KR100429880B1/ko active IP Right Grant
-
2002
- 2002-09-04 TW TW091120125A patent/TW558695B/zh not_active IP Right Cessation
- 2002-09-16 US US10/244,796 patent/US6870531B2/en not_active Expired - Lifetime
- 2002-09-24 JP JP2002277746A patent/JP2003177729A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR100429880B1 (ko) | 2004-05-03 |
JP2003177729A (ja) | 2003-06-27 |
US20030058206A1 (en) | 2003-03-27 |
KR20030028647A (ko) | 2003-04-10 |
US6870531B2 (en) | 2005-03-22 |
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Legal Events
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GD4A | Issue of patent certificate for granted invention patent | ||
MM4A | Annulment or lapse of patent due to non-payment of fees |